<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <div id="app"></div>
  <script src="../02_渲染器实现/renderer.js"></script>
  <script src="../03_响应式系统/reactive.js"></script>
  <script src="./index.js"></script>
  <script>
    // 创建根组件
    const App = {
      data: reactive({
        counter: 0
      }),
      render() {
        return h('div', null, [h('h2', null, `当前计数${this.data.counter}`),
        h('button',{onClick: ()=>this.data.counter++}, `+1`),
        h('button',{onClick: ()=>this.data.counter--}, `+1`)])
      }
    }
    // 挂载根组件
    createApp(App).mount('#app')


     
  </script>


</body>
</html>